Catalyst for combustion and process for producing same
CA 1265119 C · Owner: Teshima, Nobue · Inventors: Teshima, Nobue; Kato, Yasuyoshi; Ohta, Masao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high performance catalyst for combustion having a cheap and heat-resistant carrier capable of retaining a high specific surface even when it is used at a high temperature of 1,000°C or higher for a long time and, a process for producing the same are provided which, catalyst comprising a compound expressed by a composition formula of BaA?12O19, and said process comprises kneading .gamma.-alumina or aluminum hydroxide and a barium compound or impregnating the former compound with the latter so as to give an atomic ratio of A?/Ba in the range of 100/1 to 100/15, followed by calcination.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.